这才是幸福的18岁。记得我当年还在苦解偏微分方程 :-) 。元宵节快乐

来源: papyrus 于 2022-02-15 10:22:45 [旧帖] [给我悄悄话] 本文已被阅读：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.